Don't Speak by No Doubt is featured in The Break-Up, the fourth episode of Season Four. It is sung by Blaine, Finn, Kurt, and Rachel.

After leaving Callbacks, Finn, Rachel, Kurt and Blaine stroll down a New York City street. A romantic moment for both couples, turns into drama when Finn senses that Rachel is hiding something from him. Kurt senses Blaine's emotional performance and soon revealed something too. Blaine and Rachel finally admit their wrongdoings to Finn and Kurt as soon as Don't Speak begins to start.

As the couples walk together through the New York City park, they stop at a fountain. Finn walks away from Rachel and Kurt and Blaine sing to each other, shortly after Kurt walks away. The scene cuts to Finn and Kurt and Rachel and Blaine back at their New York City apartment, singing in the bed. They then turn away from each other as the song comes to an end, turning off their lamps, leaving Blaine and Rachel feeling upset and guilty.